material-ui/BottomNavigation/BottomNavigation.js

React Components that Implement Google's Material Design.

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _extends2 = require('babel-runtime/helpers/extends');

var _extends3 = _interopRequireDefault(_extends2);

var _objectWithoutProperties2 = require('babel-runtime/helpers/objectWithoutProperties');

var _objectWithoutProperties3 = _interopRequireDefault(_objectWithoutProperties2);

var _simpleAssign = require('simple-assign');

var _simpleAssign2 = _interopRequireDefault(_simpleAssign);

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _propTypes = require('prop-types');

var _propTypes2 = _interopRequireDefault(_propTypes);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function getStyles(props, context) {
  var bottomNavigation = context.muiTheme.bottomNavigation;


  var styles = {
    root: {
      position: 'relative',
      width: '100%',
      display: 'flex',
      justifyContent: 'center',
      backgroundColor: bottomNavigation.backgroundColor,
      height: bottomNavigation.height
    },
    item: {
      flex: '1'
    }
  };

  return styles;
}

var BottomNavigation = function BottomNavigation(props, context) {
  var children = props.children,
      style = props.style,
      selectedIndex = props.selectedIndex,
      other = (0, _objectWithoutProperties3.default)(props, ['children', 'style', 'selectedIndex']);
  var prepareStyles = context.muiTheme.prepareStyles;

  var styles = getStyles(props, context);

  var preparedChildren = _react.Children.map(children, function (child, index) {
    if (!child) {
      return null;
    }

    return (0, _react.cloneElement)(child, {
      style: (0, _simpleAssign2.default)({}, styles.item, child.props.style),
      selected: index === selectedIndex
    });
  });

  return _react2.default.createElement(
    'div',
    (0, _extends3.default)({}, other, { style: prepareStyles((0, _simpleAssign2.default)({}, styles.root, style)) }),
    preparedChildren
  );
};

BottomNavigation.propTypes = process.env.NODE_ENV !== "production" ? {
  /**
   * The `BottomNavigationItem`s to populate the element with.
   */
  children: _propTypes2.default.node,
  /**
   * The index of the currently selected navigation item.
   */
  selectedIndex: _propTypes2.default.number,
  /**
   * @ignore
   * Override the inline-styles of the root element.
   */
  style: _propTypes2.default.object
} : {};

BottomNavigation.contextTypes = {
  muiTheme: _propTypes2.default.object.isRequired
};

exports.default = BottomNavigation;